CN102442130B - Graph plotter for plotting circles - Google Patents
Graph plotter for plotting circles Download PDFInfo
- Publication number
- CN102442130B CN102442130B CN201110324161.2A CN201110324161A CN102442130B CN 102442130 B CN102442130 B CN 102442130B CN 201110324161 A CN201110324161 A CN 201110324161A CN 102442130 B CN102442130 B CN 102442130B
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- main beam
- chi
- stock
- bar
- drawing bar
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- 239000003973 paint Substances 0.000 claims description 16
- 238000010422 painting Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Abstract
The invention discloses a graph plotter for plotting circles, which comprises a compasses needle fixing rod, a plotting rod and a main cross beam ruler, wherein the compasses needle fixing rod is used for supporting the graph plotter to rotate; the plotting rod is used for drawing lines; the main cross beam ruler is arranged transversally; scales are formed on the main cross beam ruler; the compasses needle fixing rod and the plotting rod are connected to the main cross beam ruler; the plotting rod can move on the main cross beam ruler; and a fixing device for fixing the plotting rod is further arranged on the main cross beam ruler. Through the adoption of the technical scheme, plotting can be realized by moving the plotting rod on the main cross beam ruler to a corresponding scale mark without measuring a required length on a calibrated scale; and as the plotting rod is fixed all the time, deflection is avoided, and a circle plotted by the graph plotter is low in radius error, and high in precision. When the plotting rod is moved to another position, a concentric circle can be plotted without repeatedly measuring required lengths on the calibrated scale; and as the needle insert pin of the graph plotter cannot slip, the position of the center of circles cannot deflect, which obviously improves the precision of concentric circle plotting.
Description
Technical field
The present invention relates to a kind ofly for drawing circular plotter, be mainly used in the design of auto parts and components.
Background technology
In the time carrying out ring flange, wheel rim, circular electrical equipment pipe, engine accessory power rating oil pipe, circular blast pipe, tire and other concentric circles or circular the Design of Auto Parts, conventional circular plotter can only do simple circular drafting, in the time doing high-precision circle and concentric circles and draw, the circle that common circular plotter is drawn there will be concentric circles decentraction and the shortcoming such as radius of a circle error ratio is larger; This circular plotter is made up of armed lever angular adjustment apparatus, armed lever, cushion pin, nib or several parts such as writing implement, pivot, and the patent that is CN02289716.X as the patent No. discloses similar a kind of plotter.In use, hold pivot, measure required length with needle point and nib on rule, the angle of then adjusting two armed levers is fixed, and finally, again taking needle point as the center of circle, the armed lever of rotating band nib is drawn circle.In the time drawing concentric circles, need such operation repeatedly, because circular plotter is often adjusted, cushion pin easily skids, when rotation, home position can be offset, and makes the center of circle of each circle not in same point, thereby cause concentric circles decentraction and radius of a circle to occur error, affect the accuracy of drawing, made to design unreasonable, and then affected the quality of product.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of plotter, in the time carrying out the Design of Auto Parts, does not need repeatedly on rule, to measure required length, to improve draw circles and concentrically ringed precision.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of for drawing circular plotter, it comprises and supports the compass needle fixed bar of plotter rotation, drawing bar and a horizontal main beam chi for setting-out, on main beam chi, be carved with scale, described compass needle fixed bar and drawing bar are connected on main beam chi, compass needle fixed bar aligns with the zero graduation line of main beam chi, drawing bar also can move on main beam chi, is also provided with the fixture of fixing drawing bar on main beam chi.
Described drawing bar moves stock by a main beam and is connected on described main beam chi, main beam moves stock kink on main beam chi, described fixture is to be located at described main beam to move the hand-tight bolt I on stock, and the hand-tight bolt hole that move on stock through described main beam the end of hand-tight bolt I is against on described main beam chi.
Described drawing bar is provided with multiple.
Paint roundlet drawing bar near described compass needle fixed bar in described drawing bar for what draw small-diameter circular, paint roundlet drawing bar and be divided into two sections of parallel quarter butts, these two sections of quarter butts are also connected to the one end of painting roundlet crossfoot paralleling with described main beam chi, paint and on roundlet crossfoot, are also carved with the scale identical with main beam chi at this.
The bottom that described drawing bar is plugged on described main beam and moves stock, the bottom of moving stock at main beam is provided with patchhole, described drawing bar is also fixed by hand-tight bolt II, the sidewall that stock is moved through described main beam in the end of hand-tight bolt II is against on described drawing bar, and described hand-tight bolt II pushes against the direction of described drawing bar and the length direction of described main beam chi is perpendicular.
Move and on stock, be carved with secondary chi scale at described main beam.
Be connected with the secondary crossbeam chi extending along main beam chi length direction in the end of described main beam chi, on secondary crossbeam chi, be carved with the scale identical with main beam chi, fastening by hand-tight bolt III between secondary crossbeam chi and main beam chi, on secondary crossbeam chi, kink has with described main beam and moves the secondary cross beam movement stock that stock is identical, is plugged with described drawing bar in the bottom of secondary cross beam movement stock.
On described main beam chi, be provided with chute along its length, described secondary crossbeam chi slidably reciprocates in this chute.
Described compass needle fixed bar and described main beam chi are connected with a rotating turret, and main beam chi and rotating turret are rotationally connected, and the socket connection of compass needle fixed bar is on rotating turret.
Bottom at described compass needle fixed bar is connected with vacuum cup.
The present invention adopts technique scheme, compass needle fixed bar and drawing bar are connected to form and can draw circular plotter by carving graduated main beam chi, in the time drawing, on main beam chi, the position of mobile drawing bar to corresponding graduation mark position can be drawn, compared with prior art, no longer need on rule, measure required length, simplified control, and drawing bar is all the time in stationary state, there will not be the phenomenon of skew, the circular radius error of drawing is little, paint round precision high, mobile drawing bar is to another location, can draw concentric circles, according to aforementioned, do not need repeatedly on rule, to measure required length, the cushion pin of plotter there will not be and skids, when rotation, home position can not be offset, obviously can improve and draw concentrically ringed precision, on main beam chi, be provided with multiple drawing bars in diverse location, so just can once draw multiple circles, once can complete concentrically ringed drafting, drawing efficiency is higher, operates easylier, and accuracy is higher.
Brief description of the drawings
Fig. 1 is the front view of plotter of the present invention;
Fig. 2 is that the main beam of plotter of the present invention moves the partial enlarged drawing that stock is connected with main beam chi;
Fig. 3 is the partial enlarged drawing of painting roundlet drawing bar structure of plotter of the present invention;
Fig. 4 is the partial isometric of plotter of the present invention;
Mark in above-mentioned figure is: 1, rotating turret; 2, main beam chi; 3, main beam moves stock; 4, secondary crossbeam chi; 5, secondary cross beam movement stock; 6, drawing bar; 7, paint roundlet crossfoot; 8, compass needle fixed bar; 9, secondary chi scale; 10, hand-tight bolt I; 11, hand-tight bolt II; 12, hand-tight bolt III; 13, paint roundlet drawing bar.
Detailed description of the invention
As shown in Figure 1 and Figure 4, the present invention is a kind of for drawing circular plotter, and it comprises that armed lever, rotating turret 1, main beam chi 2, secondary crossbeam chi 4, main beam move stock 3 and secondary cross beam movement stock 5.Armed lever comprises the compass needle fixed bar 8 of support plotter rotation and the drawing bar 6 for setting-out, at the end of compass needle fixed bar 8, cushion pin is installed and is used as rotary support point, at the end of drawing bar 6, pencil or other setting-out utensils is installed.On main beam chi 2, be carved with scale, the length of main beam chi 2 is set as required.Compass needle fixed bar 8 and drawing bar 6 are all arranged on this main beam chi 2, and compass needle fixed bar 8 aligns with the zero graduation line of main beam chi 2, and drawing bar 6 also can move around on main beam chi 2.In order to realize moving around of drawing bar 6, drawing bar 6 is to move stock 3 by a main beam to be connected with main beam chi 2, the bottom that drawing bar 6 is arranged on main beam and moves stock 3.As shown in Figure 2 and Figure 4, main beam moves stock 3 for rectangle, which is provided with along the groove of main beam chi 2 length directions, by this groove kink on main beam chi 2, main beam moves stock 3 can not cover the graduation mark on main beam chi 2, so main beam move stock 3 can for transparent material or for other can expose the shape of main beam chi 2 scales, as the shape of the moving slider on slide measure.Main beam moves stock 3 kinks on main beam chi 2, can be used for regulating the position of drawing bar 6 in the time drawing different-diameter circular.Drawing bar 6 also can adopt other structural member to be connected with main beam chi 2 and can move around, and as on main beam chi 2, elongated slot being set, drawing bar 6 is connected and can be moved around by the slide block main beam chi 2 that elongated slot matches therewith.In addition, move at main beam and on the end face of stock 3, fixing main beam is also installed and moves the fixture of stock 3 on main beam chi 2, this fixture is hand-tight bolt I 10, hand-tight bolt hole on stock 3 is moved and is against the end face of main beam chi 2 in the end of hand-tight bolt I 10 through main beam, can fix main beam and move stock 3.The bottom that drawing bar 6 is plugged on main beam and moves stock 3, the bottom of moving stock 3 at main beam is provided with patchhole, drawing bar 6 is also fixing by hand-tight bolt II 11, the hand-tight bolt hole that move through main beam on the sidewall of stock 3 along main beam chi 2 length directions the end of hand-tight bolt II 11 is against on the shaft of drawing bar 6, and the bar 6 of drawing is the most at last against on the inwall of patchhole.Move and on stock 3, be carved with the index line for the graduation mark on its main beam chi 2 at main beam, the nib of the pencil on the drawing bar 6 after fastening and this index line are positioned on same vertical curve, there is gap because drawing bar 6 and main beam move between the patchhole on stock 3, just need accurately to control index line and move the position on stock 3 at main beam.In order not make to draw in the time pushing against drawing bar 6, bar 6 changes corresponding to the scale on main beam chi 2, the accuracy that impact is drawn, can also preferably arrange that hand-tight bolt II11 pushes against the direction of drawing bar 6 and the length direction of main beam chi 2 is perpendicular, along screwing perpendicular to the direction on the main beam chi 2 graduated surfaces of tool.Drawing bowlder with this plotter, the position of mobile drawing bar 6 to corresponding graduation mark position on main beam chi 2, then tighten hand-tight bolt I 10, determine radius, a hand steered firmly compass needle fixed bar 8, the right hand drives main beam chi 2 to rotate and can draw, compared with prior art, no longer need on rule, measure required length, simplified control, and drawing bar 6 is all the time in stationary state, there will not be the phenomenon of skew, the circular radius error of drawing is than little, paint round precision high, mobile drawing bar 6 is to another location in addition, can draw concentric circles, according to aforementioned, do not need repeatedly on rule, to measure required length, the cushion pin of plotter there will not be and skids, when rotation, home position can not be offset, obviously can improve and draw concentrically ringed precision.In addition, move on stock 3 and be also carved with in addition secondary chi scale 9 at main beam, further to improve the drafting accuracy of plotter, precision can be set as required to 0.1mm, 0.05mm, 0.02mm, its principle is identical with slide measure.
In order to improve the drawing efficiency of this plotter, as shown in Figure 1, two drawing bars 6 are set on main beam chi 2, so just can once draw two circles, once can complete concentrically ringed drafting, drawing efficiency is higher, operate easylier, the concentric circles accuracy of drafting is higher.More drawing bar 6 also can be set certainly as required.
As shown in Figure 1, Figure 2 and Figure 3, on main beam chi 2, also can arrange one and paint roundlet drawing bar 13 for what draw small-diameter circular, and arrange near the position of compass needle fixed bar 8, this paints roundlet drawing bar 13 and also moves stock 3 by main beam and be connected on main beam chi 2, and it is identical with above-mentioned drawing bar 6 with the connected mode that main beam moves stock 3 to paint roundlet drawing bar 13.Paint roundlet drawing bar 13 and be also divided into two sections of quarter butts that are parallel to each other along bar length direction, these two sections of quarter butts are also connected to an end of painting roundlet crossfoot 7 paralleling with main beam chi 2, paint on roundlet crossfoot 7 and be also carved with the scale identical with main beam chi 2 at this, the setting party who paints roundlet crossfoot 7 is to can be for towards compass needle fixed bar 8 or away from compass needle fixed bar 8.
As depicted in figs. 1 and 2, in order to increase the drawing scope of this plotter, on main beam chi 2, be connected with away from the end of compass needle fixed bar 8 the secondary crossbeam chi 4 extending along main beam chi 2 length directions, on secondary crossbeam chi 4, kink has with main beam and moves the secondary cross beam movement stock 5 that stock 3 is identical, bottom at secondary cross beam movement stock 5 is also plugged with drawing bar 6, and drawing bar 6 is also fixed by hand-tight bolt II11.Multiple secondary cross beam movement stocks 5 and drawing bar 6 also can be set equally as required on secondary crossbeam chi 4.Fastening by hand-tight bolt III12 between secondary crossbeam chi 4 and main beam chi 2, as shown in Figure 4, on main beam chi 2, be provided with chute along its length, secondary crossbeam chi 4 slidably reciprocates in this chute, and can insert completely in main beam chi 2 and pack up, being provided with hand-tight bolt hole at the back side of main beam chi 2, hand-tight bolt III12 is against on secondary crossbeam chi 4 through this hand-tight bolt hole, and have guide groove at secondary crossbeam chi 4 with the surface that hand-tight bolt III12 contacts, so that secondary crossbeam chi 4 moves.This plotter adopts the structure of main beam chi 2 auxiliary connection crossbeam chis 4, not only can increase the drawing scope of plotter, can draw the circle that diameter is larger and once draw more concentric circles, but also carrying and take care of after being convenient to pack up.
As shown in Figure 1, compass needle fixed bar 8 is connected with main beam chi 2 by rotating turret 1, main beam chi 2 is rotationally connected with rotating turret 1,8 socket connections of compass needle fixed bar are in the lower end of rotating turret 1, the lower end of rotating turret 1 is shape hole, the upper end of rotating turret 1 is also shape hole or screwed hole, main beam chi 2 moving frame 1 that rotates is rotated, by bolt or other Shape Parts, its upper end to be fixed, the cusp that the cushion pin of compass needle fixed bar 8 comes and the rotation of main beam chi 2 are on same vertical curve, and the zero graduation line on main beam chi 2 is also positioned on this vertical curve in addition; Compass needle fixed bar 8 can stretch rotating turret 1 is interior up and down according to working condition, on rotating turret 1 and adopt and move with main beam the structure that the fixing drawing bar 6 of stock 3 is identical and fix compass needle fixed bar 8.
As shown in Figure 1, be connected with in the bottom of compass needle fixed bar 8 vacuum cup or or other fixtures, cushion pin inserts vacuum cup or magnet and fixes the center of circle, can avoid the center of circle to be offset, the accuracy of impact drawing.
The using method of this plotter is similar to common circular plotter principle, be the center of circle is stablized motionless, main beam chi 2 or secondary crossbeam chi 4 moving frame 1 that rotates is rotated, can once draw multiple high-precision same or concentric circles, it is applicable to the fields such as scientific research, teaching, layout design, as: in the Design of Auto Parts, ring flange, wheel rim, circular electrical equipment pipe, engine accessory power rating oil pipe, blast pipe, tire and other the concentric circles of circle or circular part are drawn.And this plotter unscrews each hand-tight bolt after drawing finishes, just each member can be unloaded down, so that in inserter box and be convenient to keeping, carry.
By reference to the accompanying drawings the present invention is exemplarily described above; obviously specific implementation of the present invention is not subject to the restrictions described above; as long as adopted the improvement of the various unsubstantialities that method of the present invention design and technical scheme carry out; or without improving, design of the present invention and technical scheme are directly applied to other occasion, all within protection scope of the present invention.
Claims (3)
1. one kind for drawing circular plotter, it comprises the compass needle fixed bar of support plotter rotation and the drawing bar for setting-out, it is characterized in that: described plotter also comprises a horizontal main beam chi, on main beam chi, be carved with scale, described compass needle fixed bar and drawing bar are connected on main beam chi, compass needle fixed bar aligns with the zero graduation line of main beam chi, and drawing bar also can move on main beam chi, is also provided with the fixture of fixing drawing bar on main beam chi;
Described drawing bar moves stock by a main beam and is connected on described main beam chi, main beam moves stock kink on main beam chi, described fixture is to be located at described main beam to move the hand-tight bolt I on stock, and the hand-tight bolt hole that move on stock through described main beam the end of hand-tight bolt I is against on described main beam chi;
Paint roundlet drawing bar near described compass needle fixed bar in described drawing bar for what draw small-diameter circular, paint roundlet drawing bar and be divided into two sections of parallel quarter butts, these two sections of quarter butts are also connected to the one end of painting roundlet crossfoot paralleling with described main beam chi, paint and on roundlet crossfoot, are also carved with the scale identical with main beam chi at this;
Described compass needle fixed bar and described main beam chi are connected with a rotating turret, and main beam chi and rotating turret are rotationally connected, and the socket connection of compass needle fixed bar is on rotating turret;
Be connected with the secondary crossbeam chi extending along main beam chi length direction in the end of described main beam chi, on secondary crossbeam chi, be carved with the scale identical with main beam chi, fastening by hand-tight bolt III between secondary crossbeam chi and main beam chi, on secondary crossbeam chi, kink has with main beam and moves the secondary cross beam movement stock that stock is identical, is plugged with described drawing bar in the bottom of secondary cross beam movement stock;
On described main beam chi, be provided with chute along its length, described secondary crossbeam chi slidably reciprocates in this chute;
Bottom at described compass needle fixed bar is connected with vacuum cup;
Described drawing bar is provided with multiple.
2. according to claim 1 for drawing circular plotter, it is characterized in that: the bottom that described drawing bar is plugged on described main beam and moves stock, the bottom of moving stock at main beam is provided with patchhole, described drawing bar is also fixed by hand-tight bolt II, the sidewall that stock is moved through described main beam in the end of hand-tight bolt II is against on described drawing bar, and described hand-tight bolt II pushes against the direction of described drawing bar and the length direction of described main beam chi is perpendicular.
3. according to claim 2 for drawing circular plotter, it is characterized in that: move and on stock, be carved with secondary chi scale at described main beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110324161.2A CN102442130B (en) | 2011-10-22 | 2011-10-22 | Graph plotter for plotting circles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110324161.2A CN102442130B (en) | 2011-10-22 | 2011-10-22 | Graph plotter for plotting circles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102442130A CN102442130A (en) | 2012-05-09 |
| CN102442130B true CN102442130B (en) | 2014-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110324161.2A Active CN102442130B (en) | 2011-10-22 | 2011-10-22 | Graph plotter for plotting circles |
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| Country | Link |
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| CN (1) | CN102442130B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105252938A (en) * | 2015-11-21 | 2016-01-20 | 赵淑丽 | Centering pin assembly capable of drawing small circle |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2671817Y (en) * | 2003-11-20 | 2005-01-19 | 邹存邈 | Ruler compasses |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU901064A1 (en) * | 1980-04-15 | 1982-01-30 | за витель А. В. Есефьев | Device for drawing circle arcs |
| CN2051571U (en) * | 1988-11-17 | 1990-01-24 | 欧阳圣 | Compass with multileg |
| CN2131708Y (en) * | 1992-06-07 | 1993-05-05 | 李义 | Compass with staff |
| CN2152685Y (en) * | 1992-12-18 | 1994-01-12 | 张文武 | Translation compasses |
| CN1088873A (en) * | 1992-12-29 | 1994-07-06 | 路庆昌 | Laterally graduated compasses |
| CN2292682Y (en) * | 1997-01-23 | 1998-09-30 | 马培业 | Definition compasses |
| CN201080079Y (en) * | 2007-09-25 | 2008-07-02 | 马长征 | Concentric compasses |
| CN201201442Y (en) * | 2008-05-16 | 2009-03-04 | 岳治奎 | Compasses for teaching |
| CN201231626Y (en) * | 2008-06-26 | 2009-05-06 | 卢拥军 | Multipurpose compasses |
| CN101934669A (en) * | 2009-07-03 | 2011-01-05 | 朱俊威 | Dual-purpose bow compass |
| CN201712348U (en) * | 2010-04-28 | 2011-01-19 | 石厚琦 | Precision compasses |
| CN201769556U (en) * | 2010-09-15 | 2011-03-23 | 刘尚书 | Compasses capable of facilitating radius determination |
| CN201961013U (en) * | 2010-12-09 | 2011-09-07 | 李霄 | Large-diameter compass |
| CN201872476U (en) * | 2010-12-14 | 2011-06-22 | 王大伟 | Free telescopic compasses |
| CN201951095U (en) * | 2011-03-15 | 2011-08-31 | 郝晓萍 | Compasses for teaching |
-
2011
- 2011-10-22 CN CN201110324161.2A patent/CN102442130B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2671817Y (en) * | 2003-11-20 | 2005-01-19 | 邹存邈 | Ruler compasses |
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| CN102442130A (en) | 2012-05-09 |
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